42185007 ONDA2 A LRO D590 LED4000-840 LDE WH Decorative diffuse LED Circular luminaire with LRO cover for surface-mounting to ceilings/walls, DALI controllable luminaire with LED converter; LED service life lasts 50000 h before luminous flux is reduced to 90% of the initial value. Chromaticity tolerance (initial MacAdam): 3. Luminaire luminous flux: 3970 lm, Luminaire efficacy: 146 lm/W. Colour rendering Ra > 80, colour temperature 4000 K. aluminium housing in white enamelled finish. Plastic cover, LRO light reducing optic with UGR<19 in polymethylmethacrylate with frosted surface, fixed to frame. Wall mounting is possible. Low indirect component for ceiling/wall illumination, emphasising the floating appearance. Includes electronic LED converter for DALI control. Luminaire wired with halogen-free leads Dimensions: Ø590 x 85 mm weight: 5.8 kg Impact strength: IK03.